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DISCS FEATURES
4
BEVELS
A 1903 1904 1905 1906 1942 1948 1971 1977B 1913 1914 1915 1916 1932 1938 1976
“ R = 545±8 mm. R = 595±10 mm. R = 620±10 mm. R = 680±10 mm. R = 498±8 mm. R = 797±15 mm. R = 645±10 mm. R = 645±10 mm.21 29/64” 23 27/64” 23 13/32” 26 49/64” 19 39/64” 31 3/8” 25 25/64” 25 25/64”
10
11
12
13
14
15
16
18
20
22
24
26
28
30
32
34
36
39
49
61
76
90
110
1 9/16”
1 15/16”
2 3/8”
3 1/16”
3 9/16”
4 5/16”
413
457
508
560
607
656
36
45
56
70
83
100
107
1 3/8”
1 3/4”
2 1/4”
2 3/4”
3 1/4”
3 15/16”
4 3/16”
415
460
510
562
609
661
708
34
43
53
67
80
96
112
1 5/16”
1 11/16”
2 1/16”
2 5/8”
3 1/8”
3 3/4”
4 7/16”
416
460
512
565
612
664
711
11
14
15
20
23
26
32
40
50
61
73
87
102
114
132
174
3/8”
4/8”
5/8”
3/4”
7/8”
1 2/85”
1 2/8”
1 5/8”
1 15/16”
2 6/16”
2 14/16”
3 7/16”
4 1/64”
4 1/2”
5 1/4”
6 7/8”
254
281
303
331
357
377
419
463
515
567
616
670
722
762
814
915
43
54
67
84
100
120
141
1 3/4”
2 1/8”
2 5/8”
3 1/4”
3 15/16”
4 3/4”
5 9/16”
410
456
506
556
605
655
695
27
34
43
52
62
73
85
97
110
124
130
1 1/8”
1 3/8”
1 3/4”
1 1/16”
2 2/4”
2 7/8”
3 6/16”
3 13/16”
4 5/16”
4 7/8”
5 1/8”
418
464
516
570
619
676
726
770
823
865
922
64
76
92
106
125
143
2 1/2”
3”
3 5/8”
4 11/64”
4 15/16”
5 5/8”
450
500
550
595
650
690
60
73
81
96
108
123
134
166
2 23/64”
2 7/8”
3 3/16”
3 25/32”
4 1/4”
4 27/32”
5 18/64”
6 1/2”
502
557
602
657
707
765
820
910
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
B B(”) Dmm. mm.
CONCAVE DICS DEEP - CONE
CONCAVITY FEATURES
D
L
E
D
L
E
H
L
E
H
L
E
3.33.63.94.45.56.5
66.5781012
141516182429
E L Dmm. mm. mm.
.7
.81.11.21.41.51.8
22.53
3.54
4.55
56
6.589
10.511
E L Hmm. mm. mm.
OUTSIDE BEVEL
INSIDE BEVEL
A
B
OUTSIDE BEVEL
INSIDE BEVEL
A
B
DEEP - CONE
DISCS FEATURES
NOTCHED FOR BLADES
FLAT CENTRE BLADES FLAT BACK CENTRE BLADES
CONCAVITY FEATURES
EB
A
CENTER HOLES
Also available these types of notches: big. small. in V.
1” round R.B11 1/8” round R.B91 1/2” round R.CX1 3/4” round R.DE1 13/16” round R.DI2 1/2 round R.EQ5 1/4 round R135
1 1/4” square C.CH1 1/2” square C.CX1 1/8” round C.B9
1” hex E.B17/8”square or 1”square DB181”square or 1 1/8”square DB181 1/8”square or 1 1/4”square DB98
7/8”square or 1”round BBT81 1/4”square or 1 1/2”round BCH1 1/8”square or 1 1/4”round BB98
More sizes also available
5
35353535354040404040
16”18”20”22”24”26”28”30”32”36”
891011121314141516
ØNumber A B
of Notches mm. mm.
83838383839393939393
A 1964 1965 1966 1956 1967 1960 1959 1961 1952B 1969
“A = 4 5/16 A = 5 1/8 A = 6 5/16 A = 6 11/16 A = 7 1/16 A = 5 1/8 A = 4 5/16 A = 6 11/16 A = 8 1/4
16
18
20
22
24
26
28
30
32
1 3/8”
1 3/4”
2 13/64”
2 3/4”
3 5/16”
415
460
511
563
609
1 7/16”
1 3/4”
2 1/4”
2 11/16”
3 1/8”
3 6/8”
4 3/16”
4 13/16”
463
514
566
615
672
720
762
817
5/8”
55/64”
1 3/32”
422
467
520
1 59/64”
2 59/64”
2 51/64”
3 5/16”
3 25/32”
460
513
565
614
668
413
462
509
1 13/16”
2 1/8”
2 9/16”
3 1/8”
3 9/16”
4 1/8”
461
512
565
615
670
720
1 14/16”
2 9/16”
3 1/16”
3 10/16”
4 1/4”
4 15/16”
572
618
673
724
770
817
B(”) Ø Dmm. B(”) Ø D
mm. B(”) Ø Dmm. B(”) Ø D
mm. B(”) Ø Dmm. B(”) Ø D
mm. B(”) Ø Dmm. B(”) Ø D
mm. B(”) Ø Dmm.
1 17/64”
1 39/64”
1 59/64”
1 29/64”
1 27/32”
2 9/32”
414
459
510
7/16”
8/16”
9/16”
410
460
508
DISCS FEATURES
Ø D” Weight (Ibs) Concave (Inches”) Deep-cone Flat-Center Flat Black center
10”
11”
12”
13”
14”
15”
16”
18”
20”
22”
24”
26”
28”
30”
32”
34”36”
2.5232
2.5345
2.53
3.54
4.5543
3.54
4.55
3.54
4.556
3.54
4.5564
4.556
4.55678567867868108101212
1.901.922.162.292.823.514.195.29.34
4.485.205.976.727.417.676.317.328.429.48
10.459.13
10.5211.8813.0715.5411.8813.6215.3416.8720.0216.8719.0020.9224.8722.7525.0929.8534.8339.6830.4936.6642.7548.7943.0650.2457.3448.8365.0880.0975.4492.92
139.77149.05
RANGE OF DISCS
100
100
100
100
100
100
100
100
100
100
100
50
50
50
25
25
2525
.43”
.55”
.59”
.79”
.91”
1.02”
1.06 / 1.26 / 1.34 / 1.42 / 1.53 / 1.69”
1.34 / 1.57 / 1.69 / 1.77 / 1.93 / 2.13”
1.69 / 1.97 / 2.09 / 2.20 / 2.40 / 2.64”
2.05 / 2.40 / 2.64 / 2.76 / 2.99 / 3.31”
2.44 / 2.87 / 3.15 / 3.27 / 3.54 / 3.94”
2.87 / 3.78 / 3.94 / 3.42 / 4.33 / 4.72”
3.35 / 4.02 / 4. 21 / 4.41 / 5.55”
3.82 / 4.49”
4.33 / 5.20”
4.88”5.12 / 6.85”
2.52
2.36 / 3
2.87 / 3.62
3.19 / 4.17
3.78 / 4.92
4.25 / 5.63
4.84
5.28
6.53
.43 / 1.42 / 1.46
.49 / .86 / 1.77 / 1.85
.55 / 1.10 / 1.77 / 2.20 / 2.28
2.24 / 2.76
2.72 / 3.31
3.11
3.74
4.173
4.843
1.26
1.61 / 1.81 / 1.93
1.93 / 2.13 / 2.36
1.89 / 2.56 / 2.79
2.56 / 3.15 / 3.31
3.07 / 3.58 / 3.78
3.62 / 3.58
4.25
4.96
6
R: ROUND S: SQUARE RS: ROUND SQUARE
7
522RCX45 22” 565 .177” 4.5 OUTSIDE BEVEL 1 1/2” R 2 5/8” 67
622RDE45 22” 567 .177” 4.5 OUTSIDE BEVEL 1 3/4” R 2 3/8” 61
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
CRUSTBUSTER / HUTCHINSON / SCHAEFER PLAIN DISCS
DMI
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
614REQ25 14” 357 .098” 2.5 OUTSIDE BEVEL 2 1/2” R 7/8” 23
618RDI35 18” 463 .138” 3.5 OUTSIDE BEVEL 1 13/16” R 1 5/8” 40
4820R1355 20” 516 .197” 5 OUTSIDE BEVEL 5 1/4” R 1 3/4” 43
4820R1356 20” 516 .245” 6 OUTSIDE BEVEL 5 1/4” R 1 3/4” 43
4822R1356 22” 570 .245” 6 OUTSIDE BEVEL 5 1/4” R 2 1/16” 52
PLAIN DISCS
IH
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
NOTCHED FLAT-CENTER DISCS
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
PLAIN FLAT-CENTER DISCS
1966-18 18” 463 .157” 4 OUTSIDE BEVEL 1 7/16” 36
1969-20 20” 509 .177” 4.5 INSIDE BEVEL 1 59/64” 49
1961-22 22” 565 .236” 3 OUTSIDE BEVEL 2 9/16” 65
1961-22 22” 565 .177” 4.5 OUTSIDE BEVEL 2 9/16” 65
1961-26 26” 670 .236” 3 OUTSIDE BEVEL 3 9/16” 91
1966-18M 18” 463 .157” 4 OUTSIDE BEVEL 1 7/16” 36
1969-20M 20” 509 .177” 4.5 INSIDE BEVEL 1 59/64” 49
1961-22M 22” 565 .236” 3 OUTSIDE BEVEL 2 9/16” 65
1961-22M 22” 565 .177” 4.5 OUTSIDE BEVEL 2 9/16” 65
1962-24M 24” 618 .236” 3 INSIDE BEVEL 2 9/16” 65
PLAIN FLAT-CENTER DISCS
6920CB945 20” 509 .177” 4.5 OUTSIDE BEVEL 1 1/8” S 1 59/64” 49
6920BB9845 20” 509 .177” 4.5 OUTSIDE BEVEL 1 1/8”- 1 1/4” RS 1 59/64” 49
6122CB945 22” 565 .177” 4.5 OUTSIDE BEVEL 2 9/16” S 2 9/16” 65
6122BB985 22” 565 .197” 5 OUTSIDE BEVEL 1 1/8”- 1 1/4” RS 2 9/16” 65
6122BCHG5 22” 565 .197” 5 OUTSIDE BEVEL 1 1/4” -1 1/2” RS 2 9/16” 65
6122CB95 22” 565 .197” 5 OUTSIDE BEVEL 1 1/8” S 2 9/16” 65
6122BCHG6 22” 565 .245” 6 OUTSIDE BEVEL 1 1/4” -1 1/2” RS 2 9/16” 65
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
CNH / IHC / NEW HOLLAND
RANGE OF DISCS TO FIT
RANGE OF DISCS TO FIT
PLAIN DISCS
416DB183 16” 415 .118” 3 OUTSIDE BEVEL 1"-1 1/8" DS 1 3/8” 36316RB13 16” 413 .118” 3 OUTSIDE BEVEL 1" R 1 9/16” 39316DB1845 16” 413 .177” 4.5 OUTSIDE BEVEL 1"-1 1/8" DS 1 9/16” 39418RB13 18” 460 .118” 3 OUTSIDE BEVEL 1" R 1 3/4” 45418DB183 18” 460 .118” 3 OUTSIDE BEVEL 1"-1 1/8" DS 1 3/4” 45418DB9835 18” 460 .138” 3.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 1 3/4” 45518RB94 18” 460 .157” 4 OUTSIDE BEVEL 1 1/8" R 1 11/16” 43418DB9845 18” 460 .177” 4.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 1 3/4” 45620DB984 20” 515 .157” 4 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 1 15/16” 50620RB14 20” 515 .157” 4 OUTSIDE BEVEL 1" R 1 15/16” 504820DB9845 20” 516 .177” 4.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 1 3/4” 43520DB9845 20” 512 .177” 4.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 2 1/16” 53620DB986 20” 515 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 1 15/16” 501522DB9845 22” 565 .177” 4.5 INSIDE BEVEL 1-1/8"- 1 1/4" DS 2 5/8” 673822DB985 22” 570 .197” 5 INSIDE BEVEL 1-1/8"- 1 1/4" DS 2 1/16” 524822DB986 22” 570 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 2 1/16” 52622RCX6 22” 567 .236” 6 OUTSIDE BEVEL 1 1/2" R 2 3/4” 61522DB986 22” 565 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 2 5/8” 671624DB9845 24” 616 .177” 4.5 INSIDE BEVEL 1-1/8"- 1 1/4" DS 2 7/8” 733824DB985 24” 619 .197” 5 INSIDE BEVEL 1-1/8"- 1 1/4" DS 2 1/2” 624824DB986 24” 619 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" DS 2 1/2” 621624CCH6 24” 616 .236” 6 INSIDE BEVEL 1 1/4" S 2 7/8” 733224CCH6 24” 605 .236” 6 INSIDE BEVEL 1 1/4" S 3 15/16” 1003226RCX45 26” 655 .177” 4.5 INSIDE BEVEL 1 1/2" R 4 3/4” 1201626CCH6 26” 670 .236” 6 INSIDE BEVEL 1 1/4" S 3 7/16” 871426CCH6 26” 661 .236” 6 INSIDE BEVEL 1 1/4" S 3 15/16” 1001326CCH6 26” 656 .236” 6 INSIDE BEVEL 1 1/4" S 4 5/16” 1103226CCX6 26” 655 .236” 6 INSIDE BEVEL 1 1/2" S 4 3/4” 120
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
JOHN DEERE
BELLOTA DIAMETER THICKNESS INSIDE BEVEL
AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM DISC EDGE SHAPE INCH MM
418MRB13 18” 460 .118” 3 OUTSIDE BEVEL 1" R 1 3/4” 45518MCB945 18” 460 .177” 4.5 OUTSIDE BEVEL 1 1/8" RS 1 11/16” 43620MRB14 20” 515 .157” 4 OUTSIDE BEVEL 1" R 1 15/16” 50520MDB9845 20” 512 .177” 4.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" S 2 1/16” 53620MDB986 20” 515 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" S 1 15/16” 50522MDB9845 22” 565 .177” 4.5 OUTSIDE BEVEL 1-1/8"- 1 1/4" S 2 5/8” 67522MRCX45 22” 565 .177” 4.5 OUTSIDE BEVEL 1 1/2" R 2 5/8” 67522MDB986 22” 565 .236” 6 OUTSIDE BEVEL 1-1/8"- 1 1/4" S 2 5/8” 673824MDB986 24” 619 .236” 6 INSIDE BEVEL 1-1/8"- 1 1/4" S 2 1/2” 621624MCCH6 24” 616 .236” 6 INSIDE BEVEL 1 1/4" S 2 7/8” 733224MCCH6 24” 605 .236” 6 INSIDE BEVEL 1 1/4" S 3 15/16” 1001626MCCH6 26” 670 .236” 6 INSIDE BEVEL 1 1/4" S 3 7/16” 87526MCCX6 26” 664 .236” 6 OUTSIDE BEVEL 1 1/2" S 3 3/4” 961426MCCH6 26” 661 .236” 6 INSIDE BEVEL 1 1/4" S 3 15/16” 1001326MCCH6 26” 656 .236” 6 INSIDE BEVEL 1 1/4" S 4 5/16” 1103226MCCX6 26” 655 .236” 6 INSIDE BEVEL 1 1/2" S 4 3/4” 120
NOTCHED DISCS
8
R: ROUND S: SQUARE RS: ROUND SQUAREDS: DUAL SQUARE
RANGE OF DISCS TO FIT
9
622RDE45 22” 567 .177” 4.5 OUTSIDE BEVEL 1 3/4” R 2 3/8” 61
7726RDE6 26” 657 .236” 6 OUTSIDE BEVEL 1 3/4” R 3 25/32” 96
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
MILLER PLAIN DISCS
SUNFLOWER
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
PLAIN DISCS
4820RDE5 20” 516 .197” 5 OUTSIDE BEVEL 1 3/4” R 1 3/4” 43
4820RDE6 20” 516 .245” 6 OUTSIDE BEVEL 1 3/4” R 1 3/4” 43
622RDE45 22” 567 .177” 4.5 OUTSIDE BEVEL 1 3/4” R 2 3/8” 61
522RDE5 22” 565 .197” 5 OUTSIDE BEVEL 1 3/4” R 2 5/8” 67
622RDE6 22” 567 .245” 6 OUTSIDE BEVEL 1 3/4” R 2 3/8” 61
624RDE45 24” 616 .177” 4.5 OUTSIDE BEVEL 1 3/4” R 2 7/8” 73
624RDE5 24” 616 .197” 5 OUTSIDE BEVEL 1 3/4” R 2 7/8” 73
524RDE6 24” 612 .245” 6 OUTSIDE BEVEL 1 3/4” R 3 1/8” 80
4824RDE6 24” 619 .245” 6 OUTSIDE BEVEL 1 3/4” R 2 1/2” 62
PLAIN DISCS
418RCX35 18” 460 .138” 3.5 OUTSIDE BEVEL 1 1/2” R 1 3/4” 45
620RCX45 20” 515 .177” 4.5 OUTSIDE BEVEL 1 1/2” R 2 1/16” 53
620RCX5 20” 515 .197” 5 OUTSIDE BEVEL 1 1/2” R 2 1/16” 53
522RCX45 22” 565 .177” 4.5 OUTSIDE BEVEL 1 1/2” R 2 5/8” 67
622RDE45 22” 567 .177” 4.5 OUTSIDE BEVEL 1 3/4” R 2 3/8” 61
522RCX5 22” 565 .197” 5 OUTSIDE BEVEL 1 1/2” R 2 5/8” 67
622RCX6 22” 567 .245” 6 OUTSIDE BEVEL 1 1/2” R 2 3/8” 61
624RCX5 24” 616 .197” 5 OUTSIDE BEVEL 1 1/2” R 2 7/8” 73
624RDE6 24” 616 .245” 6 OUTSIDE BEVEL 1 3/4” R 2 7/8” 73
524RCX6 24” 612 .245” 6 OUTSIDE BEVEL 1 1/2” R 3 1/8” 80
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
KRAUSE
4824MRDE6 24” 619 .236” 6 OUTSIDE BEVEL 1 3/4” R 2 1/2” 62
7124MRDE6 24” 595 .236” 6 OUTSIDE BEVEL 1 3/4” R 4 11/64” 106
4826MRDE8 26” 676 .315” 8 OUTSIDE BEVEL 1 3/4” R 2 7/8” 73
7726MRDE8 26” 657 .315” 8 OUTSIDE BEVEL 1 3/4” R 3 25/32” 96
BELLOTA DIAMETER THICKNESS
DISC EDGE AXLE INCHCENTER HOLE CONCAVITY
INCH MM INCH MM SHAPE INCH MM
NOTCHED DISCS
R: ROUND
O.E.M. DISC BLADES - CENTER HOLE
10
21002300
ALLIS CHALMERS
11/2-in. square11/2-in. square
GC34
DUNHAM-LEHR
11/8-in. square11/2-in. round
24402420
HESSTON
11/8-in. square11/8-in. square
8001000
KEWANEE
11/8-in. square11/8-in. square
AMCO
WOD. WTDWOF. WOJWTF. WTJF-15
11/8-in. square11/2-in. square11/2-in. square11/2-in. square
ATHENS
4862126131
1-in. square11/8-in. square11/2-in. square11/2-in. square
BLANTON
4500B900B10003000H
11/2-in. square11/8-in. square11/8-in. square11/2-in. square
BURCH
Kwick-Set209208 BWTru-Cut
11/8-in. square11/8-in. square11/2-in. round7/8-in. square
BUSH-HOG
245346144014451450145146 Reg.146 HD1422142414321436143714381444Rolling Bedder
11/4 or 11/2-in. square21/4-in. round
11/8-in. square11/8 or 11/4-in. square11/8 or 11/4-in. square
11/4-in. square11/4-in. square11/2-in. square
1-in or 11/4-in. square11/8-in. square11/2-in. square11/2-in. square
11/8 or 11/2-in. square11/8-in. square11/8-in. square11/8-in. square
201202204219220222223236240241243
FORD
1-in. round1-in. round1-in. round
11/2-in. square11/8-in. square11/8-in. square11/8-in. square11/2-in. square11/8-in. square11/8-in. square11/2-in. round
122132350370470475480485490500501596610630770780
INTERNATIONAL HARVESTER
11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/2-in. square11/2-in. square11/2-in. square11/2-in. square11/8-in. round
11/8-in. square13/4-in. square
1051152152252354251630100110200 Series210 Series220230 (Cone Disc)3105251630163516402620 (Cone Disc)2621265026512700BWABWF
JOHN DEERE
1-in. round11/8-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round
11/2-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/4-in. square11/2-in. square11/2-in. square11/2-in. square11/2-in. square11/2-in. square13/4-in. square13/4-in. square21/4-in. square11/4-in. square11/4-in. square
6112D6118D6323D6327D7333D6540D7550D
KENT
11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round
Model Number Axle Size Model Number Axle Size Model Number Axle Size
O.E.M. DISC BLADES - CENTER HOLE
11
Series ISeries II
MILLER
13/4-in. round13/4-in. round
355555
SCHAFER
13/4-in. round2-in. round
1952-1956-1960-19701968-1969-19791965-1966-19761480 Series1480 Series1900 Series1950 Series2100 Series2200 Series2400 Series2400 Series2700 Series3100 Series3200 Series1498 and 14991465-147015801740-17691912-1915-19181901-1904-19071922-1925-19281921-1924-19271959-1963-1973
KRAUSE
11/2-in. round11/2-in. round11/2-in. round11/2-in. round13/4-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round13/4-in. round21/2-in. round11/2-in. round13/4-in. round11/2-in. round13/4-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round11/2-in. round
MASSEY FERGUSON
MF820MF620MF520MF270MF21MF25MF30MF39MF40MF52MF72MF120MF220MF233MF213
11/4-in. square11/4-in. square11/4-in. square11/2-in. square
1-in. square1-in. round
11/2-in. square1-in. round
11/2-in. square11/8-in. round11/8-in. round
11/8-in. square11/8-in. square11/8-in. square11/8-in. square
NEW HOLLAND
0D1000D2000D300TD100TD200
13/4-in. round13/4-in. round
2-in. round13/4-in. round13/4-in. round
RHINO
127/167131137/187177Flex 90
11/2-in. square11/2-in. square11/2-in. square11/2-in. square11/8-in. square
12101211123012311320 and 1330132113311430 and 1440143114411541421160106030
SUNFLOWER
11/2-in. round13/4-in. round11/2-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round13/4-in. round
250251252253254255256263264265271272273 /274281
WHITE
11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/2-in. square11/2-in. square11/2-in. round
11/2-in. square
200251-200268200108-200118200023200024200196-2001992000051-2000068200284-200291200310-20031520001 Series200011200013200035200036200037200048200049200016520001662000167
TAYLOR WAY
11/2-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/2-in. square11/2-in. square11/8-in. square
7/8-in. square7/8-in. square
11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square11/8-in. square
7/8-in. square7/8-in. square
Model Number Axle Size Model Number Axle Size Model Number Axle Size
COULTERS FEATURES
PLAIN DISCS NOTCHED DISCS
REF. 1981 / 1983
1981 1983
12
2.53.5
32
2.534
2.534343
3.5453
3.545453
3.5454
4.54
3.54
4.55675
3.54
4.556
4.04.55.06.04.55.06.05.06.06.08.06.08.08.0
10.08.0
10.012.0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
50
50
50
50
25
25
25
2.002.703.002.403.003.954.403.604.003.454.405.954.705.506.307.855.506.357.259.157.409.606.307.358.45
10.559.40
10.559.709.00
10.3511.6512.9015.4017.8513.0011.5513.1514.8016.4019.5017.4019.5521.6525.8021.5023.8528.4525.5530.8535.3047.4040.8054.2568.3583.8073.8591.05
143.30
10”
11”
12”
13”
13.5”
14”
15”
15.5”
16”
17”
17.5”
18”
19”
20”
22”
24”
25”
26”
28”
30”
32”
36”
255
282
305
333
343
355
381
394
406
433
450
457
470
508
582
610
635
660
711
762
813
914
REF. 1981 / 1983
PLAIN DISCS
D “ mm mm
Weight(Ibs)
33.5
454
4.54
3.54
4.55675
3.54
4.5564
4.556
4.556566868
100
100
100
100
100
100
100
100
50
50
50
50
5.756.757.709.608.159.258.507.909.05
10.2011.3013.4515.6011.4010.3511.8513.3014.7017.4515.8017.7519.6523.4019.5521.6525.8023.2028.0032.0043.0037.0549.25
NOTCHED DISCS
423
433
450
457
470
508
582
610
635
660
711
16”
17”
17.5”
18”
19”
20”
22”
24”
25”
26”
28”
D “ mm mm
Weight(Ibs)
DISCOS
13
REF. 1994
8 WAVES. FLAT CENTRE 7”
3.54
4.55
4.554556
7.358.459.50
10.5511.0012.2510.3512.9017.4520.70
3737.538
38.546
46.546475859
16”
17”
18”
20”
397
439
449
512
100
100
100
100
DE Grs.
“ mmD
“ mm mmWeight
(Ibs)H
REF. 1995
13 WAVES. FLAT CENTRE 9”
44
4.54
4.55
3.54
4.554
4.55
7.258.459.559.40
10.5511.809.00
10.359.40
12.9013.1514.8016.40
100
100
100
100
100
1517
17.519
19.520
20.521
21.52224
24.525
383
406
430
454
504
15”
16”
17”
18”
20”
D “ mm mm
Weight(Ibs)
H
REF. 1999
BUBBLE. FLAT CENTRE 8.25”
44.55
8.459.50
10.55
1919.520
16” 404 100
D “ mm mm
Weight(Ibs)
H
DISCOS
14
REF. 1991
FLUTED WITH PLAIN EDGE
4.55
4.556
14.8016.4019.5521.6525.80
100
100
20”
22”
70
89
508
582
D “ mm mm
Weight(Ibs)
L
REF. 1997
25 WAVES. FLAT CENTRE 9.5”
44
4.554
4.5
7.258.459.50
10.5510.5511.80
100
100
100
69
82
95
15.515.516
16.515.516
379
404
431
15”
16”
17”
REF. 1998
25 WAVES. FLAT CENTRE 11.75”
4454
4.55
9.7010.3512.9013.1514.8016.40
100
100
100
15.515.516.515.516
16.5
448
445
506
17.5”
18”
20”
75
79
104
D “ mm mm
Weight(Ibs)
HL
D “ mm mm
Weight(Ibs)
HL
REF. 1990
FLUTED DISCS
44.55
3.545
3.54
4.5454
4.55
8.459.50
10.557.70
13.2011.008.159.40
10.5510.3512.9013.1514.8016.40
100
100
100
100
100
47
56
61
73
73
406
423
433
457
508
16”
17”
18”
20”
D “ mm mm
Weight(Ibs)
L
DISCOS
15
SOIL TILLING ACTION SOIL TILT SOIL CONDITIONS SPEED TILLAGE PRACTICE
Low Medium High Coarse Medium Fine ExtraFine Dry Damp Sandy Heavy Slow Medium High No-Till Reduced-Till Conventional
3/8”
PLAIN
NOTCHED
8 WAVE
13 WAVE
BUBBLE
25 WAVE
FLUTED
FLUTED & PLAIN
3/8”
1/4”
3/8”
3/8”
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
• • • •
1
1”
1”
7 /8”
COULTERS TO FIT
Center Hole: 1-13/16”Bolt Circle: 3-1/4”Bolt Holes: 6-13/32”
ACR.DI BA
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-13/32”
WR.EQ ES
Center Hole: 2”Bolt Circle: 3-3/8”Bolt Holes: 6-13/32”
KR.DU LB
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 1-1/2” sqBolt Circle: N/ABolt Holes: N/A
BC.CX
Center Hole: 3 11/16”Bolt Circle: 5”Bolt Holes: 4-17/32”
MLWRR.GU Z7
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 4”Bolt Circle: 5-1/4”Bolt Holes: 4-17/32”
OLR.HG I9
Center Hole: 1-1/4” dsBolt Circle: N/ABolt Holes: N/A
AIDB98 1-1/8” X
16
ALLIS CHALMERS
ALLOWAY
BLACK MACHINERY
BLUE-JET
BRILLION
DMI
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8120DB985 FLAT PLAIN 20” 508 .197” 5 AI8120MDB985 FLAT NOTCHED 20” 508 .197” 5 AI9417RDI4BA 8 WAVE 17” 439 .157” 4 AC9517RDI4BA 13 WAVE 17” 430 .157” 4 AC9017RDI4BA FLUTED 17” 433 .157” 4 AC9020RDI45BA FLUTED 20” 508 .177” 4.5 AC
Flat coulters also available with doble bevel (ref. 1983). See page 12
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8118REQ4ES FLAT PLAIN 18” 457 .157” 4 W
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
9516RDU4LB 13 WAVE 16” 406 .157” 4 K9916RDU4LB BUBBLE 16” 404 .157” 4 K
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118RGU45Z7 FLAT PLAIN 18” 457 .177” 4.5 MLWR8120RGU45Z7 FLAT PLAIN 20” 508 .177” 4.5 MLWR8116MRGU35Z7 FLAT NOTCHED 16” 406 .138” 3.5 MLWR8117MRGU4Z7 FLAT NOTCHED 17” 433 .157” 4 MLWR9417RHG4I9 8 WAVE 17” 439 .157” 4 OL9517RGU4Z7 13 WAVE 17” 430 .157” 4 MLWR9017RGU4Z7 FLUTED 17” 433 .157” 4 MLWR9020RGU45Z7 FLUTED 20” 508 .177” 4.5 MLWR
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8118REQ4EB FLAT PLAIN 18” 457 .157” 4 H8120REQ45EB FLAT PLAIN 20” 508 .177” 4.5 H8120CCX5 FLAT PLAIN 20” 508 .197” 5 B9020REQ45EB FLUTED 20” 508 .177” 4.5 H
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8118REQ4EB FLAT PLAIN 18” 457 .157” 4 G8118RGU45Z7 FLAT PLAIN 18” 457 .177” 4.5 MLWR8120REQ45EB FLAT PLAIN 20” 508 .177” 4.5 G8120RGU45Z7 FLAT PLAIN 20” 508 .177” 4.5 MLWR8120RCX5 FLAT PLAIN 20” 508 .197” 5 G8120RGQ45 FLAT PLAIN 20” 508 .177” 4.5 RGQ8122RCX5 FLAT PLAIN 22” 582 .197” 5 G8122RGQ45 FLAT PLAIN 22” 582 .177” 4.5 RGQ8124RGQ45 FLAT PLAIN 24” 610 .177” 4.5 RGQ
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
R.GQ
Center Hole: 3 5/8”rdBolt Circle: N/ABolt Holes: N/A
COULTERS TO FIT
R.HI IOCenter Hole: 4-1/8”Bolt Circle: 5-1/2”Bolt Holes: 5-17/32”
F
Center Hole: 2-13/16”Bolt Circle: 4-1/8”Bolt Holes: 6-3/8”
FD-6R.FA FA
Center Hole: 3 11/16”Bolt Circle: 5”Bolt Holes: 4-17/32”
MLWRR.GU Z7
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 1-1/4” dsBolt Circle: N/ABolt Holes: N/A
AIDB98 1-1/8” X
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 4”Bolt Circle: 5-1/4”Bolt Holes: 4-17/32”
OLR.HG I9
17
GREAT PLAINS - OLIVER / WHITE
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118RHG45I9 FLAT PLAIN 18" 457 .177” 4.5 OL8120RHG45I9 FLAT PLAIN 20" 508 .177” 4.5 OLOL9417RHG4I9 8 WAVE 17" 439 .157” 4 OL9515RHG4I9 13 WAVE 15" 383 .157” 4 OL9516RHG4I9 13 WAVE 16" 406 .157” 4 OL9517RHG4I9 13 WAVE 17" 430 .157” 4 OL9717RHG45I9 25 WAVE 17" 431 .177” 4.5 OL9017RHG4I9 FLUTED 17" 433 .157” 4 OL9020RHG45I9 FLUTED 20" 508 .177” 4.5 OL
GLENCOE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118REQ4EB FLAT PLAIN 18” 457 .157” 4 H8120REQ45EB FLAT PLAIN 20” 508 .177” 4.5 H8120DB985 FLAT PLAIN 20” 508 .197” 5 AI8120RCX5 FLAT PLAIN 20” 508 .197” 5 G8122RCX5 FLAT PLAIN 22” 582 .197” 5 G8120MDB985 FLAT NOTCHED 20” 508 .197” 5 AI8122MRCX5 FLAT NOTCHED 22” 582 .197” 5 G8124MRCX6 FLAT NOTCHED 24” 610 .236” 6 G9020REQ45EB FLUTED 20” 508 .177” 4.5 H
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
FORD
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8120RCX5 FLAT PLAIN 20” 508 .197” 5 G8122RCX5 FLAT PLAIN 22” 582 .197” 5 G9017RFA4FA FLUTED 17” 433 .157” 4 FD-69020RFA45FA FLUTED 20” 508 .177” 4.5 FD-6
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
FLEX KING. MILLER. NOBLE. SUNFLOWER
8120RHI5IO FLAT PLAIN 20” 508 .197” 5 F8122RHI5IO FLAT PLAIN 22” 582 .197” 5 F9020RHI5IO FLUTED 20” 508 .197” 5 F
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8116MRGU35Z7 FLAT NOTCHED 16” 406 .137” 3.5 MLWR8117MRGU4Z7 FLAT NOTCHED 17” 433 .157” 4 MLWR9417RGU4Z7 8 WAVE 17” 439 .157” 4 MLWR9517RGU4Z7 13 WAVE 17” 430 .157” 4 MLWR9717RGU45Z7 25 WAVE 17” 431 .177” 4.5 MLWR9017RGU4Z7 FLUTED 17” 433 .157” 4 MLWR9020REQ45EB FLUTED 20” 508 .177” 4.5 H9020RGU45Z7 FLUTED 20” 508 .177” 4.5 MLWR
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
COULTERS TO FIT
Center Hole: 3”Bolt Circle: 4-3/8”Bolt Holes: 4-13/32”
JDDR.FM OE
Center Hole: 1-1/8” sq.Bolt Circle: N/ABolt Holes: N/A
DC.B9
Center Hole: 2”Bolt Circle: 3-1/2”Bolt Holes: 6-13/32”
JDR.DU Y4
Center Hole: 2-1/8”Bolt Circle: 4-3/4”Bolt Holes: 5-33/64”
JDMR.D2 Y7
Center Hole: 1-11/32”Bolt Circle: 3-1/4”Bolt Holes: 6-11/32”
IHLCN8 D3 31/32”
Center Hole: 4”Bolt Circle: 5-1/4”Bolt Holes: 4-17/32”
OLR.HG I9
Center Hole: 2”Bolt Circle: 3-3/8”Bolt Holes: 6-13/32”
KR.DU LB
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 1-1/4” dsBolt Circle: N/ABolt Holes: N/A
AIDB98 1-1/8” X
Center Hole: 1-1/2”Bolt Circle: 4-1/2”Bolt Holes: 4-17/32”
IHNR.CX GZ
18
KINZE
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118RHG45I9 FLAT PLAIN 18" 454 .177” 4.5 OL8120RHG45I9 FLAT PLAIN 20" 504 .177” 4.5 OL9417RHG4I9 8 WAVE 17" 439 .157” 4 OL9515RHG4I9 13 WAVE 15" 383 .157” 4 OL9516RDU4LB 13 WAVE 16" 406 .157” 4 K9516RHG4I9 13 WAVE 16" 406 .157” 4 OL9517RHG4I9 13 WAVE 17" 430 .157” 4 OL9916RDU4LB BUBBLE 16" 404 .157” 4 K9717RHG45I9 25 WAVE 17" 431 .177” 4.5 OL9017RHG4I9 FLUTED 17" 433 .157” 4 OL9020RHG45I9 FLUTED 20" 508 .177” 4.5 OL
HINIKER
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118REQ4EB FLAT PLAIN 18" 457 .157” 4 H8120REQ45EB FLAT PLAIN 20" 508 .177” 4.5 H8120RCX5 FLAT PLAIN 20" 508 .197” 5 G8122RCX5 FLAT PLAIN 22" 582 .197” 5 G9020REQ45EB FLUTED 20" 508 .177” 4.5 H
IH
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8120DB985 FLAT PLAIN 20" 508 .197” 5 AI8120RCX5 FLAT PLAIN 20" 508 .197” 5 G8120MDB985 FLAT NOTCHED 20" 508 .197” 5 AI9517LCN84D3 13 WAVE 17" 430 .157” 4 IH9017LCN84D3 FLUTED 17" 433 .157” 4 IH9020LCN845D3 FLUTED 20" 508 .177” 4.5 IH9020RCX45GZ FLUTED 20" 508 .177” 4.5 IHN9122RCX5GZ FLUTED 22" 582 .197” 5 IHN
JOHN DEERE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118R7750R FLAT PLAIN 18" 457 .197” 5 JDD8122CB95 FLAT PLAIN 22" 582 .197” 5 D9417RDU4Y4 8 WAVE 17" 439 .157” 4 JD9516RDU4Y4 13 WAVE 16" 406 .157” 4 JD9516RD24Y7 13 WAVE 16" 406 .157” 4 JDM9517RDU4Y4 13 WAVE 17" 430 .157” 4 JD9916RDU4Y4 BUBBLE 16" 404 .157” 4 JD9716RDU45Y7 25 WAVE 16" 404 .177” 4.5 JDM9716RDU45Y4 25 WAVE 16" 404 .177” 4.5 JD9017RDU4Y4 FLUTED 17" 433 .157” 4 JD9020RDU45Y4 FLUTED 20" 508 .177” 4.5 JD9020RDU45Y7 FLUTED 20" 508 .177” 4.5 JDM9122RDU5Y7 FLUTED 22" 582 .197” 5 JDM
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
COULTERS TO FIT
Center Hole: 3.172”Bolt Circle: 4-3/4”Bolt Holes: 4-15/32”
MFR.F2 H7
Center Hole: 3-3/4”Bolt Circle: 5”Bolt Holes: 6-7/16”
RR.GY Z9
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 1-1/2”rdBolt Circle: N/ABolt Holes: N/A
GR.CX
Center Hole: 2-1/2”Bolt Circle: 4”Bolt Holes: 4-17/32”
HR.EQ EB
Center Hole: 4”Bolt Circle: 5-1/4”Bolt Holes: 4-17/32”
OLR.HG I9
Center Hole: 3-11/16”Bolt Circle: 5”Bolt Holes: 4-17/32”
MLWRR.GU Z7
19
UFT
9020REQ45EB FLUTED 20" 508 .177” 4.5 H
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
YETTER
Plain coulters also available with doble bevel (ref. 1983). See page 12
8118RHG45I9 FLAT PLAIN 18" 457 .177” 4.5 OL8120RHG45I9 FLAT PLAIN 20" 508 .177” 4.5 OL9417RHG4I9 8 WAVE 17" 439 .157” 4 OL9515RHG4I9 13 WAVE 15" 383 .157” 4 OL9516RHG4I9 13 WAVE 16" 406 .157” 4 OL9517RHG4I9 13 WAVE 17" 430 .157” 4 OL9717RHG45I9 25 WAVE 17" 431 .177” 4.5 OL9017RHG4I9 FLUTED 17" 433 .157” 4 OL9020RHG45I9 FLUTED 20" 508 .177” 4.5 OL
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
MASSEY FERGUSON
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
9017RF24H7 FLUTED 17" 433 .157” 4 MF9020RF245H7 FLUTED 20" 508 .177” 4.5 MF
MELROE
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
Plain and notched coulters also available with doble bevel (ref. 1983). See page 12
8118RGU45Z7 FLAT PLAIN 18" 457 .177” 4.5 MLWR8120RGU45Z7 FLAT PLAIN 20" 508 .177” 4.5 MLWR8116MRGU35Z7 FLAT NOTCHED 16" 423 .138” 3.5 MLWR8117MRGU4Z7 FLAT NOTCHED 17" 433 .157” 4 MLWR9417RGU4Z7 8 WAVE 17" 439 .157” 4 MLWR9517RGU4Z7 13 WAVE 17" 430 .157” 4 MLWR9717RGU45Z7 25 WAVE 17" 431 .177” 4.5 MLWR9717RHG452Y 25 WAVE 17" 431 .177” 4.5 MLWR9017RGU4Z7 FLUTED 17" 433 .157” 4 MLWR9020RGU45Z7 FLUTED 20" 508 .177” 4.5 MLWR
ORTHMAN
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
8122MRCX5 FLAT NOTCHED 22" 582 .197” 5 G8124MRCX6 FLAT NOTCHED 24" 610 .236” 6 G
Notched coulters also available with doble bevel (ref. 1983). See page 12
RAWSON
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
9417RGY5Z9 8 WAVE 17" 439 .197” 5 R
SUKUP
8118REQ4EB FLAT PLAIN 18" 457 .157” 4 H8120REQ45EB FLAT PLAIN 20" 508 .177” 4.5 H
Plain coulters also available with doble bevel (ref. 1983). See page 12
BELLOTA MODELDIAMETER THICKNESS CENTER
INCH MM INCH MM HOLE
